Different specifications of melt-blown cloth can filter 90%, 95%, and 99% of non-oily particles respectively. So the 90, 95, 99 of melt-blown cloth refers to the filtering effect.
Melt blown cloth is the core material of the mask. The melt-blown cloth is mainly made of polypropylene, and the fiber diameter can reach 1 to 5 microns. These ultra-fine fibers with a unique capillary structure increase the number and surface area of fibers per unit area so that the melt-blown cloth has good air filtration properties and is a relatively good mask material. In large, medium, and small medical institutions, in areas affected by earthquakes and floods, and in the high season of SARS, avian influenza and H1N1 virus, including the current COVID-19, melt blown filter paper plays an irreplaceable role with its strong filtration performance.
Can melt blown fabric be washed?
Nonwovens generally are not considered wash-durable, and more than a third of nonwovens today are used in durable applications that necessarily do not require laundering since most nonwovens inherently are considered “disposable” after one end-use application.
Is cotton woven or nonwoven?
Woven and nonwoven fabric has great differences in the raw material that the woven fabric is made with cotton, wool, silk, linen, ramie, hemp, leather and etc. while the nonwoven is made out of polypropylene (abbreviated to PP), PET, PA, viscose, acrylic fibers, HDPE, PVC and etc.
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